Evidence map›Paper›PMID 24996454›Full record

Trial reportRadiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology2014

Consequences of anorectal cancer atlas implementation in the cooperative group setting: radiobiologic analysis of a prospective randomized in silico target delineation study.

Panayiotis Mavroidis, Drosoula Giantsoudis, Musaddiq J Awan, Jasper Nijkamp, Coen R N Rasch, Joop C Duppen, Charles R Thomas, Paul Okunieff, William E Jones, Lisa A Kachnic and 3 more

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Guideline
  3. Trial
  4. Article
  5. Article
  6. Journal of medical imaging (Bellingham, Wash.) · 2023
    Article
  7. Article
  8. Article
  9. Development and Usage ofJCO clinical cancer informatics · 2019
    Article
  10. AnClinical and translational radiation oncology · 2019
    Article
  11. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors.

Panayiotis MavroidisDepartment of Radiation Oncology, The University of Texas Health Science Center at San Antonio, USA; Department of Oncology-Pathology, Karolinska Institutet and Stockholm University, Sweden. Electronic address: mavroidis@uthscsa.edu.
Drosoula GiantsoudisDepartment of Radiation Oncology, Massachusetts General Hospital Cancer Center, Boston, USA.
Musaddiq J AwanDepartment of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA.
Jasper NijkampDepartment of Radiotherapy, The Netherlands Cancer Institute, Antoni van Leeuwenhoek Huis, Amsterdam, The Netherlands.
Coen R N RaschDepartment of Radiotherapy, Academic Medical Center, Amsterdam, The Netherlands.
Joop C DuppenDepartment of Radiotherapy, The Netherlands Cancer Institute, Antoni van Leeuwenhoek Huis, Amsterdam, The Netherlands.
Charles R ThomasDepartment of Radiation Medicine, Oregon Health & Science University, Portland, USA.
Paul OkunieffDepartment of Radiation Oncology, University of Florida, Gainesville, USA.
William E JonesDepartment of Radiation Oncology, The University of Texas Health Science Center at San Antonio, USA; Department of Radiation Oncology, Audie L. Murphy Veterans Administration Hospital, San Antonio, USA.
Lisa A KachnicDepartment of Radiation Oncology, Massachusetts General Hospital Cancer Center, Boston, USA; Department of Radiation Oncology, Boston University Medical Center, USA.
Niko PapanikolaouDepartment of Radiation Oncology, The University of Texas Health Science Center at San Antonio, USA.
Clifton D FullerDepartment of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA.
Southwest Oncology Group Radiation Oncology Committee

Funding

SWOG Network Group Operations Center of the NCTNU10CA180888 · NCI · UNIVERSITY OF CALIFORNIA AT DAVIS · PI PRIMO N. LARA · 2014 to 2026
$152.1M
SWOG - Foreign Accrual under UMiU10CA032102 · NCI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI BLANKE, CHARLES D. · 1985 to 2013
$141.3M
NCI NIH HHS L30 CA136381NCI NIH HHS L30 CA136381-01NCI NIH HHS U10 CA032102NCI NIH HHS U10 CA180888
6 · The paper itself

Abstract

purposeThe aim of this study is to ascertain the subsequent radiobiological impact of using a consensus guideline target volume delineation atlas. MATERIALS AND

methodsUsing a representative case and target volume delineation instructions derived from a proposed IMRT rectal cancer clinical trial, gross tumor volume (GTV) and clinical/planning target volumes (CTV/PTV) were contoured by 13 physician observers (Phase 1). The observers were then randomly assigned to follow (atlas) or not-follow (control) a consensus guideline/atlas for anorectal cancers, and instructed to re-contour the same case (Phase 2).

resultsThe atlas group was found to have increased tumor control probability (TCP) after the atlas intervention for both the CTV (p<0.0001) and PTV1 (p=0.0011) with decreasing normal tissue complication probability (NTCP) for small intestine, while the control group did not. Additionally, the atlas group had reduced variance in TCP for all target volumes and reduced variance in NTCP for the bowel. In Phase 2, the atlas group had increased TCP relative to the control for CTV (p=0.03).

conclusionsVisual atlas and consensus treatment guideline usage in the development of rectal cancer IMRT treatment plans reduced the inter-observer radiobiological variation, with clinically relevant TCP alteration for CTV and PTV volumes.

Indexed as

Cooperative BehaviorPractice Guidelines as TopicComputer SimulationConsensusHumansMaleObserver VariationProspective StudiesRadiobiologyRadiotherapy, Intensity-ModulatedRadiotherapy Planning, Computer-AssistedRectal NeoplasmsTumor BurdenAnorectal cancerAtlas implementationInter-observer variationRadiobiological analysisTarget delineation

Identifiers

PMID24996454
PMCPMC4258107

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.